Pcsx:
+ Changes to freeze file support - old freeze files will probably no longer work
+ Fixed x86 dynarec core to be compatible with the Mac OS X ABI
+ Merged changes from PCSX 1.6 beta
+ Misc code cleanups
+ Fixed a few bugs in psxBios simulation
+ Made further progress toward making the timing of ppc dynarec and regular mode exactly the same. This also fixed a potential compatibility problem with the ppc dynarec core
+ Fixed handling of self-modified code to work faster in certain cases in the ppc dynarec core (FF7 battles + more)
+ Now statically links with libdl which means the emu should now really work under Mac OS X 10.2

HIDInput:
+ Removed from the default PCSX package after changing the license to a non-GPL compatible license.

SimpleInput:
+ Renaming of ASimpleInput to SimpleInput

CDDeviceInterface:
+ Fixed bug that could cause an incorrect sector to be read from the CD-ROM under rare circumstances
+ Now uses the DiskArbitration Framework to gain complete control over CD's while playing. As a consequence games with CD audio should function in Mac OS X 10.4 again.

Known Issues:

Missing input from iShock II controller on PPC

Switching controller plugins while a game is running might make PCSX stall